Pension and Postretirement Benefit Plans (Tables)

9 Months Ended

Sep. 30, 2023

Retirement Benefits [Abstract]

Schedule of Net Periodic Benefit Cost (Benefit)

The other components of net periodic benefit cost are reflected in other expense (income), net. Components of net periodic benefit cost and other supplemental information for the three and nine months ended September 30, 2023 and 2022 follow:

Benefit Plan Information

	Three months ended September 30,
	Qualified and Non-qualified Pension Benefits								Postretirement Benefits
	United States				International
(Millions)	2023		2022		2023		2022		2023		2022
Net periodic benefit cost (benefit)
Operating expense
Service cost	$	42	$	64	$	21	$	32	$	6	$	10
Non-operating expense
Interest cost	166		105		56		32		21		13
Expected return on plan assets	(243)		(241)		(76)		(69)		(20)		(17)
Amortization of transition asset	—		—		1		—		—		—
Amortization of prior service benefit	(6)		(6)		—		—		(7)		(8)
Amortization of net actuarial loss	73		106		2		10		2		10
Total non-operating expense (benefit)	(10)		(36)		(17)		(27)		(4)		(2)
Total net periodic benefit cost (benefit)	$	32	$	28	$	4	$	5	$	2	$	8

	Nine months ended September 30,
	Qualified and Non-qualified Pension Benefits								Postretirement Benefits
	United States				International
(Millions)	2023		2022		2023		2022		2023		2022
Net periodic benefit cost (benefit)
Operating expense
Service cost	$	128	$	192	$	60	$	100	$	18	$	31
Non-operating expense
Interest cost	497		313		165		96		66		39
Expected return on plan assets	(731)		(723)		(226)		(211)		(58)		(52)
Amortization of transition asset	—		—		2		1		—		—
Amortization of prior service benefit	(18)		(18)		1		—		(23)		(24)
Amortization of net actuarial loss	220		318		6		30		6		30
Settlements, curtailments, special termination benefits and other	—		—		—		—		—		2
Total non-operating expense (benefit)	(32)		(110)		(52)		(84)		(9)		(5)
Total net periodic benefit cost (benefit)	$	96	$	82	$	8	$	16	$	9	$	26